Description
Sika®-1 Pre-bag Finishing Mortar – Waterproof Finishing Coat for Structural Systems
Sika®-1 Pre-bag Finishing Mortar is a cementitious waterproof finishing mortar designed as part of the Sika®-1 structural waterproofing system.
Pre-bagged with graded aggregates, cement, and waterproofing admixtures, it provides a durable, smooth finishing layer while maintaining a fully bonded waterproof barrier.
Key Features & Benefits
- Type A waterproofing system – compliant with BS8102:2022
- Fully bonded waterproof finish – enhances system integrity
- Resistant to hydrostatic pressure – ideal for below-ground use
- Pre-bagged consistency – controlled mix for reliable results
- Can be applied to damp substrates – suitable for refurbishment
- Internal & external use – versatile application
- Smooth finishing coat – ideal final layer in waterproofing systems
- Suitable for multiple substrates – concrete, brick and blockwork
Applications
Sika®-1 Pre-bag Finishing Mortar is ideal for:
- Final coat in Sika®-1 waterproofing systems
- Basements, cellars, and below-ground structures
- Swimming pools and water-retaining structures
- Tunnels, vaults and retaining walls
- Waterproofing of concrete, brick and blockwork surfaces
Technical Overview
- Type: Cementitious waterproof finishing mortar
- System: Sika®-1 Structural Waterproofing System
- Compressive Strength: ~53 N/mm²
- Flexural Strength: ~7.8 N/mm²
- Density: ~2150 kg/m³
- Coverage: ~2 m² at 6 mm per 25 kg bag
- Mix Ratio: ~3.1 litres water per 25 kg bag
- Yield: ~12.3 litres per bag
Why Choose Sika®-1 Pre-bag Finishing Mortar?
Designed as the final layer in a proven waterproofing system, this mortar delivers a smooth, durable finish while maintaining full waterproofing performance. It ensures long-term protection in demanding environments.
Frequently Asked Questions (FAQs)
❓ What is Sika-1 Pre-bag Finishing Mortar used for?
It is used as a finishing coat in structural waterproofing systems.
❓ Is it suitable for basements?
Yes, it is ideal for basements and below-ground waterproofing applications.
❓ Can it be applied to damp surfaces?
Yes, it can be applied to wet or damp substrates, making it suitable for refurbishment.
❓ Does it resist water pressure?
Yes, it provides resistance to hydrostatic pressure as part of the Sika-1 system.
❓ What substrates can it be applied to?
It can be applied to concrete, brick and structural blockwork.
❓ Is it internal or external use?
It is suitable for both internal and external applications.
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